Expanding links in inbox/notes now more accessible (Bug #1324347)

Added helpful text to explain what is happening
Changed the 'link to' text in inbox to be easier to understand
than a >> or 'more ...'

Change-Id: I3b3b01232c01cba66cf8b39f3985affd524fd8da
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>